These patches give you both simple regular expression support (unix
shell like) in mod_authz_svn as well as the ability to make all string
comparisons case insensitive. You turn on regular expression support by
setting AuthzSVNRegexp in your apache.conf file. Setting
AuthzSVNCaseInsensitiveNameMatches to On makes all checks case
insensitive.

Once you've done this, you can do things like

[foo:/tags/*/bar]
@group1 = r

[foo:/branches/*/bar]
@group1 = rw

Currently, the only shell regexp's it supports are * and ?. It does not
support {a,b,c}